Home / 212,729.99-293,561.96-115,936.32

Finding the Fourth Proportional to 212,729.99, 293,561.96 and 115,936.32

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Solution

The fourth proportional to 212,729.99, 293,561.96 and 115,936.32 is: 159,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,729.99 : 293,561.96 = 115,936.32 : x
  2. Step 2: Convert to fraction form
    212,729.99/293,561.96 = 115,936.32/x
  3. Step 3: Cross multiply
    212,729.99x = 293,561.96 × 115,936.32
  4. Step 4: Simplify right side
    212,729.99x = 34,034,494,290.32
  5. Step 5: Solve for x
    x = 34,034,494,290.32/212,729.99
  6. Step 6: Final answer
    x = 159,989.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.